Weekday housekeeper and mom helper

We are seeking an experienced housekeeper/mom helper for weekday : her main duties will include light housekeeping , laundry and ironing , organizing and to care for our four children, ages 11, 6, 5, and 8 months and run errands . The mom helper working hours c are from 12 to 8 pm . We are looking for someone between the ages of 35 and 50.